CN106121999A - A kind of durable mesohigh screw pump - Google Patents
A kind of durable mesohigh screw pump Download PDFInfo
- Publication number
- CN106121999A CN106121999A CN201610742145.8A CN201610742145A CN106121999A CN 106121999 A CN106121999 A CN 106121999A CN 201610742145 A CN201610742145 A CN 201610742145A CN 106121999 A CN106121999 A CN 106121999A
- Authority
- CN
- China
- Prior art keywords
- screw
- positioning sleeve
- pump
- screw rod
- lining
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C2/14—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F04C2/16—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
- F04C2/165—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type having more than two rotary pistons with parallel axes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C13/00—Adaptations of machines or pumps for special use, e.g. for extremely high pressures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/082—Details specially related to intermeshing engagement type machines or pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Abstract
The invention discloses kind of a durable mesohigh screw pump, including the pump housing, active screw rod, two driven screw, pump housing internal shaping has pump chamber, and axially arranged in pump chamber have lining, and actively screw rod, driven screw are arranged in lining；Lining is provided with cooperation three holes；End, the pump housing axial two ends device respectively has drive end bearing bracket and rear end cap；The inner wall device of drive end bearing bracket has prelocalization set, driven screw one end end sleeve to be located in prelocalization set；Rear end lid mounted device has top board, and on top board, device has rear positioning sleeve, and dynamic screw rod, driven screw one end end sleeve are located in rear positioning sleeve；Prelocalization set, the main part of rear positioning sleeve are arranged in cooperation three holes.The present invention can effectively solve the problem that existing mesohigh screw pump because design is not reasonable, there is actively screw rod and driven screw axial force and too big to pump housing frictional force, the fragile pump housing and lining so that the problems such as service life of screw pump is too short.
Description
Technical field
The present invention relates to screw pump field, particularly relate to a kind of durable mesohigh screw pump.
Background technology
Screw pump rely on the pump housing formed with screw rod engage spatial volume change and movement carry liquid or be allowed to increase
Pressure, screw pump is divided into single-screw (single screw) pump, Quimby pump, three screw pump and five-screw pump etc., wherein three screw pump fortune by screw rod number
The widest by industry.Its operation principle is that on the one hand screw rod rotates around axis own when motor drives pump shaft to rotate, another
Aspect it again along sleeve inner surface roll, then form the sealing chamber of pump, its screw rod each rotation, the liquid in annular seal space to
One pitch of front propelling, along with the continuous rotation of screw rod, liquid spiral fashion presses to another annular seal space from an annular seal space,
Finally extrude the pump housing.Screw pump as the machinery of a kind of novel conveying liquid, have simple in construction, safe and reliable, make
With easy to maintenance, go out the advantages such as liquid continuous uniform, application the most commercially is widely.
Screw pump is used as fuel injection, fuel oil supply and delivery pump in heating equipment.At chemistry petrochemical industry and food
Industry is used as loading, conveying and solution feed pump.Boats and ships are used as conveying, supercharging, fuel oil injection and grease pump and peculiar to vessel
Hydraulic means pump.Screw pump is widely used in each row such as oil, chemical fibre, metallurgy, machinery, electric power, lathe, boats and ships, glass, highway
Each industry.Screw pump is applicable to carry fuel oil, lubricating oil, hydraulic oil, crude oil, Colophonium and the lubricating liquid of other similar oil.
Screw pump makees lubricating pump in industrial circle, makees hydraulic pump in hydraulic system, carries and booster pump in fuel system；?
Fuel transfer system carries and gasoline pump.Screw pump is rotator type displacement pump, and it is to utilize the screw rod theory of engagement, relies on rotation
Screw rod engages each other in pump block, and the medium carried is enclosed in engagement intracavity, axially along a screw the continuously and smoothly ground row of being pushed into
Outlet, provides stable pressure for system.Screw pump is applicable to carry various non-corrosiveness oils and similar oil and lubricity liquid
Body.
Existing screw pump, because structure design, process materials selection and the restriction of problems, also exists structure not
Enough simple compact the most durable, when causing work the screw rod of actively screw rod and driven screw engagement ship row time axial force and centrifugal
Power, radial force are excessive, and power is high, flimsy problem.Especially at thermoelectricity, cement glass building materials, waste incineration and generating electricity, thermoelectricity
Coproduction, rubber tyre plastic industry application in, conveying dribbling diesel fuel and the operating mode of fuel oil, easily low because of dielectric viscosity,
Causing screw rod and screw rod, easily low because of medium lubricity and formation oil film the ability of screw and bushing part causes holddown, spiral shell
Bar occlusion lining or screw rod are mutually twisted the phenomenon blocked.
Summary of the invention
It is an object of the invention to provide a kind of durable mesohigh screw pump, solving existing mesohigh screw pump because designing
Not reasonable, there is actively screw rod and driven screw axial force and too big to pump housing frictional force, easily along the bad pump housing and lining, make
The problems such as service life of screw pump is too short.
The technical solution adopted for the present invention to solve the technical problems is: a kind of durable mesohigh screw pump, including pump
Body, be arranged in the pump housing actively screw rod and two driven screw, actively screw rod and driven screw engage each other adaptation, pump
The internal pump chamber that is formed with, axially arranged in pump chamber have lining, and actively screw rod, driven screw are arranged in lining；Lining is provided with
With two driven screw, cooperation three hole that actively screw rod is suitable；End, the pump housing axial two ends device respectively has drive end bearing bracket
And rear end cap；The pump housing is provided with outlet near the position of drive end bearing bracket, and the position of rear end cap is provided with suction inlet；Drive end bearing bracket
Inner wall device have prelocalization set, driven screw is located in prelocalization set near one end end sleeve of drive end bearing bracket inwall；Rear end cap
Upper device has top board, and on top board, device has rear positioning sleeve, and dynamic screw rod, driven screw are sheathed near the end, one end of rear end cap inwall
In rear positioning sleeve；Prelocalization set, the main part of rear positioning sleeve are arranged in cooperation three holes.
In order to realize actively screw rod, driven screw two ends approximation equipressure, axially arranged in lining have and coordinate three holes to be positioned at
Outlet endface position be connected first draw oil passage；First draws oil passage extends to the end of lining near one end of rear end cap
Portion；Being provided with draw with first that oil passage is connected second in top board and draw oil passage, draw with second that oily passage is connected the 3rd draws oil
Passage；3rd draws after oil channel connection positioning sleeve inner chamber and actively screw rod, driven screw are suitable.
In order to ensure reliability of structure, the main positioning sleeve that rear positioning sleeve includes and actively screw rod is suitable, and driven spiral shell
Bar suitable from positioning sleeve；Rear positioning sleeve is overall and coordinates three holes suitable, main positioning sleeve and two sides connected from positioning sleeve
Wall is provided with interior concaved circular cambered surface, and positioning sleeve and main positioning sleeve connecting position are provided with the circular arc suitable with interior concaved circular cambered surface
Face.
For the ease of processing, reduce processing cost, simple in construction, it is easy to accomplish, main positioning sleeve and two are from positioning sleeve three
Between person separate.
Preferably, the material of prelocalization set and rear positioning sleeve is tin bronze, magnalium, magnesium iron, carborundum or pottery.
Installing reliable and stable for the ease of dismounting and guarantee, top board is bolted on rear end cap, and rear positioning sleeve leads to
Cross bolt detachable apparatus on top board.
Beneficial effects of the present invention: prelocalization set and the setting of rear positioning sleeve, it is possible to effectively reduce screw rod to the pump housing and lining
The friction of set, and the damage that molecule (such as welding slag) is to pump, improve the service life of pump.In rear end, lid mounted device is detachable
Top board so that top board replaces rear end cap directly to bear actively screw rod, driven screw to its axial force and frictional force, effectively keeps away
Having exempted from the damage of rear end cap, top board is detachable simultaneously, it is simple to installs and replaces.First be connected is drawn oil passage, second draws
Oil passage, the 3rd draw oil passage so that actively screw rod, driven screw two ends approximation equipressure, reduce friction to top board, it is possible to have
Effect reduces power, reduces vibrations and the noise of pump, plays energy-conservation purpose, can improve service life simultaneously.Prelocalization set and
The holddown probability that rear positioning sleeve improves the bite-resistant of pump and anti-cavitation surplus deficiency causes, even if even entering welding slag or foreign body
Cause holddown, also can protect pump to greatest extent, it is ensured that pump block and the destruction of screw rod minimum level, even if holddown, the most only need
Screw rod paid and to disassemble taking-up welding slag or foreign body with lining, repeat assembling and can recover original performance of pump.And do not affect use
And the life-span.
Below with reference to drawings and Examples, the present invention is described in detail.
Accompanying drawing explanation
Fig. 1 is the sectional view of the present invention.
Fig. 2 is the sectional view of the present invention.
Fig. 3 is the structural representation of rear positioning sleeve.
Fig. 4 is the structural representation of main positioning sleeve in rear positioning sleeve.Top is divided into axis side view, bottom to be divided into top view.
Fig. 5 is from the structural representation of positioning sleeve in rear positioning sleeve.Top is divided into axis side view, bottom to be divided into top view.
Detailed description of the invention
Embodiment, a kind of durable mesohigh screw pump as shown in Figures 1 to 5, including the pump housing 1, it is arranged in the pump housing 1
Actively screw rod 2 and two driven screw 3, actively screw rod 2 and driven screw 3 engage each other adaptation, and the pump housing 1 internal shaping has
Pump chamber, axially arranged in pump chamber have lining 4, and actively screw rod 2, driven screw 3 are arranged in lining 4；Lining 4 is provided with and two
Driven screw 3, one cooperation three hole that actively screw rod 2 is suitable；The axial end, two ends of the pump housing 1 device respectively has drive end bearing bracket 5 He
Rear end cap 6；The pump housing 1 is provided with outlet 7 near the position of drive end bearing bracket 5, and the position of rear end cap 6 is provided with suction inlet 8；Before
The inner wall device of end cap 5 has prelocalization set 9, and driven screw 3 is located at prelocalization set 9 near one end end sleeve of drive end bearing bracket 5 inwall
In；On rear end cap 6, device has top board 11, and on top board 11, device has rear positioning sleeve 10, and dynamic screw rod, driven screw 3 are near rear end cap 6
One end end sleeve of inwall is located in rear positioning sleeve 10；Prelocalization set 9, the main part of rear positioning sleeve 10 are arranged on cooperation three holes
In.
Axially arranged in lining 4 have with coordinating three holes to be positioned at that outlet endface position is connected first draws oil passage 12；
First draws oil passage 12 extends to the bottom of lining 4 near one end of rear end cap；It is provided with in top board 11 and draws oil passage with first
12 be connected second draw oil passage 13, draw with second that oil passage 13 is connected the 3rd draws oily passage 14；3rd draws oil passage 14 even
Positioning sleeve 10 inner chamber and actively screw rod 2, driven screw 3 are suitable after logical.
The main positioning sleeve 15 that rear positioning sleeve 10 includes and actively screw rod 2 is suitable, and driven screw 3 suitable from location
Set 16；Rear positioning sleeve 10 is overall and coordinates three holes suitable, and the sidewall that main positioning sleeve 15 and two connects from positioning sleeve 16 is provided with
Interior concaved circular cambered surface 17, is provided with the arc surface suitable with interior concaved circular cambered surface 17 from positioning sleeve 16 and main positioning sleeve 15 connecting position
18.Main positioning sleeve 15 and two separate between positioning sleeve 16 three.The material of prelocalization set 9 and rear positioning sleeve 10 is stannum
Bronze, tin-phosphor bronze, magnalium, magnesium iron, carborundum or pottery.Prelocalization set 9 and rear positioning sleeve 10 material selection according to
The viscosity of medium and temperature characterisitic select, and general diesel oil and low viscous medium use, tin bronze or tin-phosphor bronze, lubrication
Oil, the good medium of the lubricity such as hydraulic oil select magnalium or other.Top board 11 is bolted on rear end cap 6,
Rear positioning sleeve 10 passes through bolt detachable apparatus on top board 11.
Above in association with accompanying drawing, the present invention is exemplarily described.Obviously, the present invention implements not by above-mentioned side
The restriction of formula.As long as the improvement of the various unsubstantialities that the method design that have employed the present invention is carried out with technical scheme；Or not
Improved, above-mentioned design and the technical scheme of the present invention are directly applied to other occasion, all in protection scope of the present invention
Within.
Claims (6)
1. a durable mesohigh screw pump, including the pump housing, be arranged in the pump housing actively screw rod and two driven spiral shells
Bar, actively screw rod and driven screw engage each other adaptation, and pump housing internal shaping has pump chamber, and axially arranged in pump chamber have lining, actively
Screw rod, driven screw are arranged in lining；Lining is provided with and two driven screw, a cooperation three that actively screw rod is suitable
Hole；End, the pump housing axial two ends device respectively has drive end bearing bracket and rear end cap；The pump housing is provided with outlet near the position of drive end bearing bracket,
The position of rear end cap is provided with suction inlet；It is characterized in that: the inner wall device of drive end bearing bracket has prelocalization set, driven screw leans on
In nearby one end end sleeve of end cap inwall is located at prelocalization set；Rear end lid mounted device has top board, positions after on top board, device has
Set, dynamic screw rod, driven screw are located in rear positioning sleeve near one end end sleeve of rear end cap inwall；Prelocalization set, rear positioning sleeve
Main part be arranged on cooperation three holes in.
Durable mesohigh screw pump the most according to claim 1, it is characterised in that: axially arranged in lining have and coordinate
What three holes were positioned at that outlet endface position is connected first draws oil passage；First draws oil passage extends near one end of rear end cap
The bottom of lining；It is provided with draw with first that oil passage is connected second in top board and draws oil passage, draw what oily passage was connected with second
3rd draws oil passage；3rd draws after oil channel connection positioning sleeve inner chamber and actively screw rod, driven screw are suitable.
Durable mesohigh screw pump the most according to claim 1 and 2, it is characterised in that: rear positioning sleeve includes and active
The main positioning sleeve that screw rod is suitable, and driven screw suitable from positioning sleeve；Rear positioning sleeve is overall and coordinates three holes suitable,
The sidewall that main positioning sleeve and two connects from positioning sleeve is provided with interior concaved circular cambered surface, arranges from positioning sleeve and main positioning sleeve connecting position
There is the arc surface suitable with interior concaved circular cambered surface.
Durable mesohigh screw pump the most according to claim 3, it is characterised in that: main positioning sleeve and two are from positioning sleeve
Between three separate.
Durable mesohigh screw pump the most according to claim 4, it is characterised in that: prelocalization set and the material of rear positioning sleeve
Matter is tin bronze or tin-phosphor bronze, carborundum or pottery, magnalium, magnesium iron.
Durable mesohigh screw pump the most according to claim 3, it is characterised in that: top board is bolted on rear end
Covering, rear positioning sleeve passes through bolt detachable apparatus on top board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610742145.8A CN106121999A (en) | 2016-08-26 | 2016-08-26 | A kind of durable mesohigh screw pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610742145.8A CN106121999A (en) | 2016-08-26 | 2016-08-26 | A kind of durable mesohigh screw pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106121999A true CN106121999A (en) | 2016-11-16 |
Family
ID=57271847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610742145.8A Pending CN106121999A (en) | 2016-08-26 | 2016-08-26 | A kind of durable mesohigh screw pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106121999A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022179746A1 (en) * | 2021-02-23 | 2022-09-01 | Settima Meccanica S.R.L. | Screw assembly for a triple screw pump and triple screw pump comprising said assembly |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201071804Y (en) * | 2007-07-19 | 2008-06-11 | 南京理工大学校办产业总公司机电厂 | Low pressure balancing type three screw rod pump |
| JP2010031663A (en) * | 2008-07-25 | 2010-02-12 | Advics Co Ltd | Triaxial screw pump |
| EP2314873A2 (en) * | 2009-10-23 | 2011-04-27 | Allweiler AG | Screw pump with a leakage sensor |
| CN203321820U (en) * | 2013-06-14 | 2013-12-04 | 天津华曼泵业集团有限公司 | Three-screw pump support structure |
| CN206054290U (en) * | 2016-08-26 | 2017-03-29 | 黄山艾肯机械制造有限公司 | A kind of durable mesohigh screw pump |
-
2016
- 2016-08-26 CN CN201610742145.8A patent/CN106121999A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201071804Y (en) * | 2007-07-19 | 2008-06-11 | 南京理工大学校办产业总公司机电厂 | Low pressure balancing type three screw rod pump |
| JP2010031663A (en) * | 2008-07-25 | 2010-02-12 | Advics Co Ltd | Triaxial screw pump |
| EP2314873A2 (en) * | 2009-10-23 | 2011-04-27 | Allweiler AG | Screw pump with a leakage sensor |
| CN203321820U (en) * | 2013-06-14 | 2013-12-04 | 天津华曼泵业集团有限公司 | Three-screw pump support structure |
| CN206054290U (en) * | 2016-08-26 | 2017-03-29 | 黄山艾肯机械制造有限公司 | A kind of durable mesohigh screw pump |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022179746A1 (en) * | 2021-02-23 | 2022-09-01 | Settima Meccanica S.R.L. | Screw assembly for a triple screw pump and triple screw pump comprising said assembly |
| US12078171B2 (en) | 2021-02-23 | 2024-09-03 | Settima Meccanica S.R.L. | Screw assembly for a triple screw pump and triple screw pump comprising said assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161116 |
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| RJ01 | Rejection of invention patent application after publication |